<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjItMDcvOGNkZWNjMzItODA2NS00YTAzLWJjM2QtZjA1Njg3MTc2YTYzLmpwZw==.jpg"></p><p>Sam Bankman-Fried explained how blockchain can change payments, tokenize shares and make social media interoperable. </p>